Home / 190,893.66-263,716.20-125,636.36

Finding the Fourth Proportional to 190,893.66, 263,716.20 and 125,636.36

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Solution

The fourth proportional to 190,893.66, 263,716.20 and 125,636.36 is: 173,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,893.66 : 263,716.20 = 125,636.36 : x
  2. Step 2: Convert to fraction form
    190,893.66/263,716.20 = 125,636.36/x
  3. Step 3: Cross multiply
    190,893.66x = 263,716.20 × 125,636.36
  4. Step 4: Simplify right side
    190,893.66x = 33,132,342,122.45
  5. Step 5: Solve for x
    x = 33,132,342,122.45/190,893.66
  6. Step 6: Final answer
    x = 173,564.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.